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DXA Preview DD4T 2013 SP1
public string GetContentByUrl(string Url)
{
LoggerService.Debug(">>GetContentByUrl({0})", LoggingCategory.Performance, Url);
//Custom DXA Preview code added here
string retVal = string.Empty;
if (
HttpContext.Current.Request.QueryString.Count > 0 &&
HttpContext.Current.Request.QueryString["preview"] != null &&
HttpContext.Current.Request.QueryString["pageUrl"] == Url
)
{
string pageUri = HttpContext.Current.Request.QueryString["pageUri"];
string templateUri = HttpContext.Current.Request.QueryString["templateUri"];
if (String.IsNullOrEmpty(pageUri) || String.IsNullOrEmpty(templateUri))
{
throw new Exception("If the preview query string parameter is specified, a pageUri, pageUrl and templateUri parameter must also be supplied");
}
// Core service code
NetTcpBinding binding = new NetTcpBinding("CoreService_netTcpBinding");
string coreServiceAddress = "net.tcp://localhost:2660/CoreService/2013/netTcp";
if (ConfigurationManager.AppSettings["DXAPreviewCoreServiceEndpointAddress"] != null)
{
coreServiceAddress = ConfigurationManager.AppSettings["DXAPreviewCoreServiceEndpointAddress"].ToString();
}
EndpointAddress address = new EndpointAddress(coreServiceAddress);
SessionAwareCoreServiceClient client = new SessionAwareCoreServiceClient(binding, address);
try
{
client.Impersonate(System.Web.HttpContext.Current.User.Identity.Name);
RenderInstructionData renderInstruction = new RenderInstructionData();
renderInstruction.RenderMode = RenderMode.PreviewDynamic;
PublishInstructionData publishInstruction = new PublishInstructionData();
publishInstruction.RenderInstruction = renderInstruction;
ResolveInstructionData resolveInstruction = new ResolveInstructionData();
publishInstruction.ResolveInstruction = resolveInstruction;
string publicationTargetId = "tcm:0-1-65537";
if(ConfigurationManager.AppSettings["DXAPreviewPublicationTargetID"] != null)
{
publicationTargetId = ConfigurationManager.AppSettings["DXAPreviewPublicationTargetID"].ToString();
}
RenderedItemData pagePreview = client.RenderItem(pageUri, templateUri, publishInstruction, publicationTargetId);
string pageContent = System.Text.Encoding.Default.GetString(pagePreview.Content);
// End of core service code
client.Close();
return pageContent;
}
catch (CommunicationException ex)
{
client.Abort();
throw ex;
}
catch (TimeoutException ex)
{
client.Abort();
throw ex;
}
catch (Exception ex)
{
client.Abort();
throw ex;
}
}
else
{
LoggerService.Debug("GetContentByUrl: about to create query", LoggingCategory.Performance);
using (var pageQuery = new Query())
{
LoggerService.Debug("GetContentByUrl: created query", LoggingCategory.Performance);
using (var isPage = new ItemTypeCriteria(64))
{
using (var pageUrl = new PageURLCriteria(Url))
{
using (var allCriteria = CriteriaFactory.And(isPage, pageUrl))
{
if (this.PublicationId != 0)
{
using (var correctSite = new PublicationCriteria(this.PublicationId))
{
allCriteria.AddCriteria(correctSite);
}
}
pageQuery.Criteria = allCriteria;
}
}
}
LoggerService.Debug("GetContentByUrl: added criteria to query", LoggingCategory.Performance);
LoggerService.Debug("GetContentByUrl: about to execute query", LoggingCategory.Performance);
string[] resultUris = pageQuery.ExecuteQuery();
pageQuery.Dispose();
LoggerService.Debug("GetContentByUrl: executed query", LoggingCategory.Performance);
if (resultUris.Length > 0)
{
retVal = PageContentAssembler.GetContent(resultUris[0]);
LoggerService.Debug("GetContentByUrl: executed PageContentAssembler", LoggingCategory.Performance);
}
LoggerService.Debug("<<GetContentByUrl({0})", LoggingCategory.Performance, Url);
return retVal;
}
}
}
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